The $10 t-shirt deal of the day over at RIPT Apparel is a Torchwood-themed shirt called “Never Underestimate” by artist MattLeamy.

The sale at RIPT began today, Wednesday, August 17, 2011, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes for $10 each in army green. Kids sizes are $15 (Boys, Girls, and Toddler in various shades of green); Onesies are $18 (in hunter green). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in hunter green).